[Behavior & Cognition] Octopuses have sleep stages like humans – and may even dream

octobot

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From Science Focus:

“Our results suggest that during 'active sleep' the octopus might experience a state analogous to REM sleep, which is the state during which humans ...

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octobot

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From Daily Mail:

Pictured: a sleeping octopus seen here in its active sleep phase, during which ... movement) and non-REM sleep stages, and that cuttlefish have something similar. Cuttlefishes, like octopuses, both belong to the cephalopod class of ...

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octobot

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From Telegraph:

"If octopuses indeed dream, it is unlikely that they experience complex symbolic plots like we do. "Active sleep in the octopus has a very short duration - ...

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octobot

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From Gizmodo:

Two years ago, a PBS documentary video showed an octopus named Heidi in ... to a certain extent, cephalopod intelligence (as much as intelligence can be tied ... “This is a significant extension of the analysis of octopus sleep,” Dan ...

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octobot

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From KSU Sentinel:

With the help of four “volunteers” of the species Octopus insularis, which are common ... It is a strong indication that something would happen in the octopus ... Sylvia Medeiros is a biologist with experience of researching squid in the ...

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octobot

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From IFL Science:

Two years ago a video of an octopus changing color as it slept went viral, with many people jumping to the conclusion the cephalopod was dreaming. ... Cuttlefish have also been reported to have two sleeping states, one of which ...

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octobot

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From ABC.net.au:

For any listeners who twitch in your sleep: you're not alone. Neuroscientists in Brazil have published one of the most detailed studies ever conducted ...

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octobot

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From CNN:

Some octopuses change color while they sleep, new research suggests. Here's what scientists believe the color change means. Source: CNN ...

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